[libsigrok.git] / src / hardware / ikalogic-scanaplus / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <config.h>
#include "protocol.h"

#define USB_VENDOR_ID			0x0403
#define USB_DEVICE_ID			0x6014
#define USB_VENDOR_NAME			"IKALOGIC"
#define USB_MODEL_NAME			"ScanaPLUS"
#define USB_IPRODUCT			"SCANAPLUS"

#define SAMPLE_BUF_SIZE			(8 * 1024 * 1024)

static const uint32_t devopts[] = {
	SR_CONF_LOGIC_ANALYZER,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_SET,
	SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};

/* Channels are numbered 1-9. */
static const char *channel_names[] = {
	"1", "2", "3", "4", "5", "6", "7", "8", "9",
};

/* Note: The IKALOGIC ScanaPLUS always samples at 100MHz. */
static const uint64_t samplerates[1] = { SR_MHZ(100) };

static int dev_acquisition_stop(struct sr_dev_inst *sdi);

static void clear_helper(void *priv)
{
	struct dev_context *devc;

	devc = priv;

	ftdi_free(devc->ftdic);
	g_free(devc->compressed_buf);
	g_free(devc->sample_buf);
	g_free(devc);
}

static int dev_clear(const struct sr_dev_driver *di)
{
	return std_dev_clear(di, clear_helper);
}

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct sr_dev_inst *sdi;
	struct drv_context *drvc;
	struct dev_context *devc;
	GSList *devices;
	unsigned int i;
	int ret;

	(void)options;

	drvc = di->context;

	devices = NULL;

	/* Allocate memory for our private device context. */
	devc = g_malloc0(sizeof(struct dev_context));

	/* Allocate memory for the incoming compressed samples. */
	if (!(devc->compressed_buf = g_try_malloc0(COMPRESSED_BUF_SIZE))) {
		sr_err("compressed_buf malloc failed.");
		goto err_free_devc;
	}

	/* Allocate memory for the uncompressed samples. */
	if (!(devc->sample_buf = g_try_malloc0(SAMPLE_BUF_SIZE))) {
		sr_err("sample_buf malloc failed.");
		goto err_free_compressed_buf;
	}

	/* Allocate memory for the FTDI context (ftdic) and initialize it. */
	if (!(devc->ftdic = ftdi_new())) {
		sr_err("Failed to initialize libftdi.");
		goto err_free_sample_buf;
	}

	/* Check for the device and temporarily open it. */
	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
				 USB_IPRODUCT, NULL);
	if (ret < 0) {
		/* Log errors, except for -3 ("device not found"). */
		if (ret != -3)
			sr_err("Failed to open device (%d): %s", ret,
			       ftdi_get_error_string(devc->ftdic));
		goto err_free_ftdic;
	}

	/* Register the device with libsigrok. */
	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup(USB_VENDOR_NAME);
	sdi->model = g_strdup(USB_MODEL_NAME);
	sdi->priv = devc;

	for (i = 0; i < ARRAY_SIZE(channel_names); i++)
		sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_names[i]);

	devices = g_slist_append(devices, sdi);

	/* Close device. We'll reopen it again when we need it. */
	scanaplus_close(devc);

	return std_scan_complete(di, devices);

	scanaplus_close(devc);
err_free_ftdic:
	ftdi_free(devc->ftdic); /* NOT free() or g_free()! */
err_free_sample_buf:
	g_free(devc->sample_buf);
err_free_compressed_buf:
	g_free(devc->compressed_buf);
err_free_devc:
	g_free(devc);

	return NULL;
}

static int dev_open(struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	int ret;

	devc = sdi->priv;

	/* Select interface A, otherwise communication will fail. */
	ret = ftdi_set_interface(devc->ftdic, INTERFACE_A);
	if (ret < 0) {
		sr_err("Failed to set FTDI interface A (%d): %s", ret,
		       ftdi_get_error_string(devc->ftdic));
		return SR_ERR;
	}
	sr_dbg("FTDI chip interface A set successfully.");

	/* Open the device. */
	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
				 USB_IPRODUCT, NULL);
	if (ret < 0) {
		sr_err("Failed to open device (%d): %s", ret,
		       ftdi_get_error_string(devc->ftdic));
		return SR_ERR;
	}
	sr_dbg("FTDI device opened successfully.");

	/* Purge RX/TX buffers in the FTDI chip. */
	if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) {
		sr_err("Failed to purge FTDI RX/TX buffers (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip buffers purged successfully.");

	/* Reset the FTDI bitmode. */
	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_RESET);
	if (ret < 0) {
		sr_err("Failed to reset the FTDI chip bitmode (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip bitmode reset successfully.");

	/* Set FTDI bitmode to "sync FIFO". */
	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_SYNCFF);
	if (ret < 0) {
		sr_err("Failed to put FTDI chip into sync FIFO mode (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip sync FIFO mode entered successfully.");

	/* Set the FTDI latency timer to 2. */
	ret = ftdi_set_latency_timer(devc->ftdic, 2);
	if (ret < 0) {
		sr_err("Failed to set FTDI latency timer (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip latency timer set successfully.");

	/* Set the FTDI read data chunk size to 64kB. */
	ret = ftdi_read_data_set_chunksize(devc->ftdic, 64 * 1024);
	if (ret < 0) {
		sr_err("Failed to set FTDI read data chunk size (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip read data chunk size set successfully.");

	/* Get the ScanaPLUS device ID from the FTDI EEPROM. */
	if ((ret = scanaplus_get_device_id(devc)) < 0) {
		sr_err("Failed to get ScanaPLUS device ID: %d.", ret);
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("Received ScanaPLUS device ID successfully: %02x %02x %02x.",
	       devc->devid[0], devc->devid[1], devc->devid[2]);

	sdi->status = SR_ST_ACTIVE;

	return SR_OK;

err_dev_open_close_ftdic:
	scanaplus_close(devc);
	return SR_ERR;
}

static int dev_close(struct sr_dev_inst *sdi)
{
	int ret;
	struct dev_context *devc;

	ret = SR_OK;
	devc = sdi->priv;

	if (sdi->status == SR_ST_ACTIVE) {
		sr_dbg("Status ACTIVE, closing device.");
		ret = scanaplus_close(devc);
	} else {
		sr_spew("Status not ACTIVE, nothing to do.");
	}

	sdi->status = SR_ST_INACTIVE;

	return ret;
}

static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	(void)sdi;
	(void)cg;

	switch (key) {
	case SR_CONF_SAMPLERATE:
		/* The ScanaPLUS samplerate is 100MHz and can't be changed. */
		*data = g_variant_new_uint64(SR_MHZ(100));
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;

	(void)cg;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_SAMPLERATE:
		if (g_variant_get_uint64(data) != SR_MHZ(100)) {
			sr_err("ScanaPLUS only supports samplerate = 100MHz.");
			return SR_ERR_ARG;
		}
		/* Nothing to do, the ScanaPLUS samplerate is always 100MHz. */
		break;
	case SR_CONF_LIMIT_MSEC:
		if (g_variant_get_uint64(data) == 0)
			return SR_ERR_ARG;
		devc->limit_msec = g_variant_get_uint64(data);
		break;
	case SR_CONF_LIMIT_SAMPLES:
		if (g_variant_get_uint64(data) == 0)
			return SR_ERR_ARG;
		devc->limit_samples = g_variant_get_uint64(data);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	GVariant *gvar;
	GVariantBuilder gvb;

	(void)sdi;
	(void)cg;

	switch (key) {
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
		break;
	case SR_CONF_SAMPLERATE:
		g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
		gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
				samplerates, ARRAY_SIZE(samplerates),
				sizeof(uint64_t));
		g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
		*data = g_variant_builder_end(&gvb);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	int ret;
	struct dev_context *devc;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	devc = sdi->priv;

	if (!devc->ftdic)
		return SR_ERR_BUG;

	/* TODO: Configure channels later (thresholds etc.). */

	/* Properly reset internal variables before every new acquisition. */
	devc->compressed_bytes_ignored = 0;
	devc->samples_sent = 0;
	devc->bytes_received = 0;

	if ((ret = scanaplus_init(devc)) < 0)
		return ret;

	if ((ret = scanaplus_start_acquisition(devc)) < 0)
		return ret;

	std_session_send_df_header(sdi, LOG_PREFIX);

	/* Hook up a dummy handler to receive data from the device. */
	sr_session_source_add(sdi->session, -1, 0, 0, scanaplus_receive_data, (void *)sdi);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	sr_dbg("Stopping acquisition.");
	sr_session_source_remove(sdi->session, -1);
	std_session_send_df_end(sdi, LOG_PREFIX);

	return SR_OK;
}

static struct sr_dev_driver ikalogic_scanaplus_driver_info = {
	.name = "ikalogic-scanaplus",
	.longname = "IKALOGIC ScanaPLUS",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = dev_clear,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = dev_open,
	.dev_close = dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(ikalogic_scanaplus_driver_info);
Commit	Line	Data
fdf4a1f5 UH	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
6ec6c43b	21	#include <config.h>
fdf4a1f5 UH	22	#include "protocol.h"
fdf4a1f5 UH	23
ab4bb6eb UH	24	#define USB_VENDOR_ID 0x0403
ab4bb6eb UH	25	#define USB_DEVICE_ID 0x6014
ce95428c	26	#define USB_VENDOR_NAME "IKALOGIC"
ab4bb6eb UH	27	#define USB_MODEL_NAME "ScanaPLUS"
	28	#define USB_IPRODUCT "SCANAPLUS"
	29
	30	#define SAMPLE_BUF_SIZE (8 * 1024 * 1024)
	31
f254bc4b	32	static const uint32_t devopts[] = {
ab4bb6eb	33	SR_CONF_LOGIC_ANALYZER,
5827f61b BV	34	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	35	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
	36	SR_CONF_SAMPLERATE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
ab4bb6eb UH	37	};
ab4bb6eb UH	38
ba7dd8bb UH	39	/* Channels are numbered 1-9. */
ba7dd8bb UH	40	static const char *channel_names[] = {
ab4bb6eb	41	"1", "2", "3", "4", "5", "6", "7", "8", "9",
ab4bb6eb UH	42	};
ab4bb6eb UH	43
ce95428c	44	/* Note: The IKALOGIC ScanaPLUS always samples at 100MHz. */
329733d9	45	static const uint64_t samplerates[1] = { SR_MHZ(100) };
ab4bb6eb	46
695dc859	47	static int dev_acquisition_stop(struct sr_dev_inst *sdi);
ab4bb6eb UH	48
	49	static void clear_helper(void *priv)
	50	{
	51	struct dev_context *devc;
	52
	53	devc = priv;
	54
	55	ftdi_free(devc->ftdic);
	56	g_free(devc->compressed_buf);
	57	g_free(devc->sample_buf);
f817f05a	58	g_free(devc);
ab4bb6eb UH	59	}
ab4bb6eb UH	60
4f840ce9	61	static int dev_clear(const struct sr_dev_driver *di)
ab4bb6eb UH	62	{
	63	return std_dev_clear(di, clear_helper);
	64	}
	65
4f840ce9	66	static GSList scan(struct sr_dev_driver di, GSList *options)
fdf4a1f5	67	{
ab4bb6eb	68	struct sr_dev_inst *sdi;
fdf4a1f5	69	struct drv_context *drvc;
ab4bb6eb	70	struct dev_context *devc;
fdf4a1f5	71	GSList *devices;
ab4bb6eb UH	72	unsigned int i;
ab4bb6eb UH	73	int ret;
fdf4a1f5 UH	74
	75	(void)options;
	76
41812aca	77	drvc = di->context;
ab4bb6eb UH	78
	79	devices = NULL;
	80
	81	/* Allocate memory for our private device context. */
f57d8ffe	82	devc = g_malloc0(sizeof(struct dev_context));
ab4bb6eb UH	83
	84	/* Allocate memory for the incoming compressed samples. */
	85	if (!(devc->compressed_buf = g_try_malloc0(COMPRESSED_BUF_SIZE))) {
	86	sr_err("compressed_buf malloc failed.");
	87	goto err_free_devc;
	88	}
	89
	90	/* Allocate memory for the uncompressed samples. */
	91	if (!(devc->sample_buf = g_try_malloc0(SAMPLE_BUF_SIZE))) {
	92	sr_err("sample_buf malloc failed.");
	93	goto err_free_compressed_buf;
	94	}
	95
	96	/* Allocate memory for the FTDI context (ftdic) and initialize it. */
	97	if (!(devc->ftdic = ftdi_new())) {
	98	sr_err("Failed to initialize libftdi.");
	99	goto err_free_sample_buf;
	100	}
	101
	102	/* Check for the device and temporarily open it. */
	103	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
	104	USB_IPRODUCT, NULL);
	105	if (ret < 0) {
	106	/* Log errors, except for -3 ("device not found"). */
	107	if (ret != -3)
	108	sr_err("Failed to open device (%d): %s", ret,
	109	ftdi_get_error_string(devc->ftdic));
	110	goto err_free_ftdic;
	111	}
	112
	113	/* Register the device with libsigrok. */
aac29cc1	114	sdi = g_malloc0(sizeof(struct sr_dev_inst));
45884333	115	sdi->status = SR_ST_INACTIVE;
0af636be UH	116	sdi->vendor = g_strdup(USB_VENDOR_NAME);
0af636be UH	117	sdi->model = g_strdup(USB_MODEL_NAME);
ab4bb6eb UH	118	sdi->priv = devc;
ab4bb6eb UH	119
0f34cb47 UH	120	for (i = 0; i < ARRAY_SIZE(channel_names); i++)
0f34cb47 UH	121	sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_names[i]);
ab4bb6eb UH	122
ab4bb6eb UH	123	devices = g_slist_append(devices, sdi);
ab4bb6eb UH	124
	125	/* Close device. We'll reopen it again when we need it. */
	126	scanaplus_close(devc);
fdf4a1f5	127
15a5bfe4	128	return std_scan_complete(di, devices);
ab4bb6eb	129
ab4bb6eb UH	130	scanaplus_close(devc);
	131	err_free_ftdic:
	132	ftdi_free(devc->ftdic); /* NOT free() or g_free()! */
	133	err_free_sample_buf:
	134	g_free(devc->sample_buf);
	135	err_free_compressed_buf:
	136	g_free(devc->compressed_buf);
	137	err_free_devc:
	138	g_free(devc);
ab4bb6eb UH	139
ab4bb6eb UH	140	return NULL;
fdf4a1f5 UH	141	}
fdf4a1f5 UH	142
fdf4a1f5 UH	143	static int dev_open(struct sr_dev_inst *sdi)
fdf4a1f5 UH	144	{
ab4bb6eb UH	145	struct dev_context *devc;
	146	int ret;
	147
	148	devc = sdi->priv;
	149
	150	/* Select interface A, otherwise communication will fail. */
	151	ret = ftdi_set_interface(devc->ftdic, INTERFACE_A);
	152	if (ret < 0) {
	153	sr_err("Failed to set FTDI interface A (%d): %s", ret,
	154	ftdi_get_error_string(devc->ftdic));
	155	return SR_ERR;
	156	}
	157	sr_dbg("FTDI chip interface A set successfully.");
	158
	159	/* Open the device. */
	160	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
	161	USB_IPRODUCT, NULL);
	162	if (ret < 0) {
	163	sr_err("Failed to open device (%d): %s", ret,
	164	ftdi_get_error_string(devc->ftdic));
	165	return SR_ERR;
	166	}
	167	sr_dbg("FTDI device opened successfully.");
	168
	169	/* Purge RX/TX buffers in the FTDI chip. */
	170	if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) {
	171	sr_err("Failed to purge FTDI RX/TX buffers (%d): %s.",
	172	ret, ftdi_get_error_string(devc->ftdic));
	173	goto err_dev_open_close_ftdic;
	174	}
	175	sr_dbg("FTDI chip buffers purged successfully.");
	176
	177	/* Reset the FTDI bitmode. */
	178	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_RESET);
	179	if (ret < 0) {
	180	sr_err("Failed to reset the FTDI chip bitmode (%d): %s.",
	181	ret, ftdi_get_error_string(devc->ftdic));
	182	goto err_dev_open_close_ftdic;
	183	}
	184	sr_dbg("FTDI chip bitmode reset successfully.");
	185
	186	/* Set FTDI bitmode to "sync FIFO". */
	187	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_SYNCFF);
	188	if (ret < 0) {
	189	sr_err("Failed to put FTDI chip into sync FIFO mode (%d): %s.",
	190	ret, ftdi_get_error_string(devc->ftdic));
	191	goto err_dev_open_close_ftdic;
	192	}
	193	sr_dbg("FTDI chip sync FIFO mode entered successfully.");
	194
	195	/* Set the FTDI latency timer to 2. */
	196	ret = ftdi_set_latency_timer(devc->ftdic, 2);
	197	if (ret < 0) {
	198	sr_err("Failed to set FTDI latency timer (%d): %s.",
	199	ret, ftdi_get_error_string(devc->ftdic));
	200	goto err_dev_open_close_ftdic;
	201	}
	202	sr_dbg("FTDI chip latency timer set successfully.");
	203
	204	/* Set the FTDI read data chunk size to 64kB. */
	205	ret = ftdi_read_data_set_chunksize(devc->ftdic, 64 * 1024);
	206	if (ret < 0) {
	207	sr_err("Failed to set FTDI read data chunk size (%d): %s.",
	208	ret, ftdi_get_error_string(devc->ftdic));
209	goto err_dev_open_close_ftdic;
210	}
211	sr_dbg("FTDI chip read data chunk size set successfully.");
212
213	/* Get the ScanaPLUS device ID from the FTDI EEPROM. */
214	if ((ret = scanaplus_get_device_id(devc)) < 0) {
215	sr_err("Failed to get ScanaPLUS device ID: %d.", ret);
216	goto err_dev_open_close_ftdic;
217	}
218	sr_dbg("Received ScanaPLUS device ID successfully: %02x %02x %02x.",
219	devc->devid[0], devc->devid[1], devc->devid[2]);
fdf4a1f5 UH	220
	221	sdi->status = SR_ST_ACTIVE;
	222
	223	return SR_OK;
ab4bb6eb UH	224
	225	err_dev_open_close_ftdic:
	226	scanaplus_close(devc);
	227	return SR_ERR;
fdf4a1f5 UH	228	}
	229
	230	static int dev_close(struct sr_dev_inst *sdi)
	231	{
ab4bb6eb UH	232	int ret;
	233	struct dev_context *devc;
	234
	235	ret = SR_OK;
	236	devc = sdi->priv;
	237
	238	if (sdi->status == SR_ST_ACTIVE) {
	239	sr_dbg("Status ACTIVE, closing device.");
	240	ret = scanaplus_close(devc);
	241	} else {
	242	sr_spew("Status not ACTIVE, nothing to do.");
	243	}
fdf4a1f5 UH	244
	245	sdi->status = SR_ST_INACTIVE;
	246
ab4bb6eb	247	return ret;
fdf4a1f5 UH	248	}
fdf4a1f5 UH	249
584560f1	250	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	251	const struct sr_channel_group *cg)
fdf4a1f5	252	{
fdf4a1f5	253	(void)sdi;
53b4680f	254	(void)cg;
fdf4a1f5	255
584560f1	256	switch (key) {
ab4bb6eb UH	257	case SR_CONF_SAMPLERATE:
	258	/* The ScanaPLUS samplerate is 100MHz and can't be changed. */
	259	*data = g_variant_new_uint64(SR_MHZ(100));
	260	break;
fdf4a1f5 UH	261	default:
	262	return SR_ERR_NA;
	263	}
	264
ab4bb6eb	265	return SR_OK;
fdf4a1f5 UH	266	}
fdf4a1f5 UH	267
584560f1	268	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	269	const struct sr_channel_group *cg)
fdf4a1f5	270	{
ab4bb6eb	271	struct dev_context *devc;
fdf4a1f5	272
53b4680f	273	(void)cg;
d3c74a6f	274
fdf4a1f5 UH	275	if (sdi->status != SR_ST_ACTIVE)
	276	return SR_ERR_DEV_CLOSED;
	277
ab4bb6eb UH	278	devc = sdi->priv;
ab4bb6eb UH	279
584560f1	280	switch (key) {
ab4bb6eb UH	281	case SR_CONF_SAMPLERATE:
	282	if (g_variant_get_uint64(data) != SR_MHZ(100)) {
	283	sr_err("ScanaPLUS only supports samplerate = 100MHz.");
	284	return SR_ERR_ARG;
	285	}
	286	/* Nothing to do, the ScanaPLUS samplerate is always 100MHz. */
	287	break;
	288	case SR_CONF_LIMIT_MSEC:
	289	if (g_variant_get_uint64(data) == 0)
	290	return SR_ERR_ARG;
	291	devc->limit_msec = g_variant_get_uint64(data);
	292	break;
	293	case SR_CONF_LIMIT_SAMPLES:
	294	if (g_variant_get_uint64(data) == 0)
	295	return SR_ERR_ARG;
	296	devc->limit_samples = g_variant_get_uint64(data);
	297	break;
fdf4a1f5	298	default:
ab4bb6eb	299	return SR_ERR_NA;
fdf4a1f5 UH	300	}
fdf4a1f5 UH	301
ab4bb6eb	302	return SR_OK;
fdf4a1f5 UH	303	}
fdf4a1f5 UH	304
584560f1	305	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	306	const struct sr_channel_group *cg)
fdf4a1f5	307	{
ab4bb6eb UH	308	GVariant *gvar;
ab4bb6eb UH	309	GVariantBuilder gvb;
fdf4a1f5 UH	310
fdf4a1f5 UH	311	(void)sdi;
53b4680f	312	(void)cg;
fdf4a1f5	313
fdf4a1f5	314	switch (key) {
ab4bb6eb	315	case SR_CONF_DEVICE_OPTIONS:
584560f1	316	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b	317	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
ab4bb6eb UH	318	break;
	319	case SR_CONF_SAMPLERATE:
	320	g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
	321	gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
	322	samplerates, ARRAY_SIZE(samplerates),
	323	sizeof(uint64_t));
	324	g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
	325	*data = g_variant_builder_end(&gvb);
	326	break;
fdf4a1f5 UH	327	default:
	328	return SR_ERR_NA;
	329	}
	330
ab4bb6eb	331	return SR_OK;
fdf4a1f5 UH	332	}
fdf4a1f5 UH	333
695dc859	334	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
fdf4a1f5	335	{
ab4bb6eb UH	336	int ret;
ab4bb6eb UH	337	struct dev_context *devc;
fdf4a1f5 UH	338
	339	if (sdi->status != SR_ST_ACTIVE)
	340	return SR_ERR_DEV_CLOSED;
	341
208c1d35	342	devc = sdi->priv;
ab4bb6eb UH	343
	344	if (!devc->ftdic)
	345	return SR_ERR_BUG;
	346
ba7dd8bb	347	/* TODO: Configure channels later (thresholds etc.). */
ab4bb6eb	348
ab4bb6eb UH	349	/* Properly reset internal variables before every new acquisition. */
	350	devc->compressed_bytes_ignored = 0;
	351	devc->samples_sent = 0;
	352	devc->bytes_received = 0;
	353
	354	if ((ret = scanaplus_init(devc)) < 0)
	355	return ret;
	356
	357	if ((ret = scanaplus_start_acquisition(devc)) < 0)
	358	return ret;
	359
102f1239	360	std_session_send_df_header(sdi, LOG_PREFIX);
ab4bb6eb UH	361
ab4bb6eb UH	362	/* Hook up a dummy handler to receive data from the device. */
c650d3ec	363	sr_session_source_add(sdi->session, -1, 0, 0, scanaplus_receive_data, (void *)sdi);
ab4bb6eb	364
fdf4a1f5 UH	365	return SR_OK;
	366	}
	367
695dc859	368	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
fdf4a1f5	369	{
ab4bb6eb	370	sr_dbg("Stopping acquisition.");
102f1239	371	sr_session_source_remove(sdi->session, -1);
3be42bc2	372	std_session_send_df_end(sdi, LOG_PREFIX);
fdf4a1f5 UH	373
	374	return SR_OK;
	375	}
	376
dd5c48a6	377	static struct sr_dev_driver ikalogic_scanaplus_driver_info = {
fdf4a1f5	378	.name = "ikalogic-scanaplus",
ce95428c	379	.longname = "IKALOGIC ScanaPLUS",
fdf4a1f5	380	.api_version = 1,
c2fdcc25	381	.init = std_init,
700d6b64	382	.cleanup = std_cleanup,
fdf4a1f5	383	.scan = scan,
c01bf34c	384	.dev_list = std_dev_list,
fdf4a1f5 UH	385	.dev_clear = dev_clear,
	386	.config_get = config_get,
	387	.config_set = config_set,
	388	.config_list = config_list,
	389	.dev_open = dev_open,
	390	.dev_close = dev_close,
	391	.dev_acquisition_start = dev_acquisition_start,
	392	.dev_acquisition_stop = dev_acquisition_stop,
41812aca	393	.context = NULL,
fdf4a1f5	394	};
dd5c48a6	395	SR_REGISTER_DEV_DRIVER(ikalogic_scanaplus_driver_info);